2 definitions by Kevin R. P.

To be incredibly boastful over the size of your penis; being excessively overconfident about the size of one's cock.
When Sarah asked Jim about his size, he answered in such a cocksure way that he got that bitches pussy wet.
by Kevin R. P. February 23, 2008
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To be outlandishly boastful over the size of your penis; excessively overconfident about the size of one's cock.
When Sarah asked Jim about his size, he answered in such a cocksure way that he got that bitches pussy wet.
by Kevin R. P. February 16, 2008
Get the Cocksure mug.